Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Novel compound for organic light-emitting device and application

A technology of electroluminescent devices and compounds, applied in organic chemistry, electro-solid devices, electrical components, etc., can solve the problems of affecting device stability, device performance degradation, electron and hole charge mobility imbalance, etc. Carrier mobility, easy injection effect

Active Publication Date: 2020-09-04
欧洛德(武汉)光电科技有限公司
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The use in organic electroluminescent devices will change the conductivity of the entire device, and the electron and hole charge mobility in the device will be unbalanced, which will affect the stability of the device, resulting in a decrease in device performance or even failure.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Novel compound for organic light-emitting device and application
  • Novel compound for organic light-emitting device and application
  • Novel compound for organic light-emitting device and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0035] Hereinafter, the organic electroluminescent compound of the present invention, its preparation method, and the preparation method and light-emitting properties of a light-emitting device comprising the compound are described in detail with reference to the following examples.

[0036] Various chemicals used in the present invention such as petroleum ether, ethyl acetate, tetrahydrofuran, n-hexane, toluene, acetic acid, methylene chloride, DMF, methyl o-iodobenzoate benzene, tetrakistriphenylphosphine palladium, 4,5 -Dimethyldibromophthalate, phenylboronic acid, p-tolueneboronic acid, 2-naphthaleneboronic acid, p-fluorophenylboronic acid, 4-biphenylboronic acid, 4-pyridineboronic acid, 1,2-cyclohexanedione, phenylhydrazine Hydrochloride, 6-bromonaphthalen-2-ylhydrazine hydrochloride, isoamyl nitrite, zinc powder, sodium sulfate, etc. can be bought in the domestic chemical product market.

[0037] Preparation of Synthetic Example 1 Intermediate M1

[0038]

[0039] Sy...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a novel compound for an organic light-emitting device. The novel compound is represented by a general formula (I) which is described in the specification. In the general formula(I), L1 and L3 are the same or different and are independently selected from a single bond and C6-C30 aryl groups respectively; Ar, R1 and R2 are respectively and independently selected from hydrogen, halogen and substituted or unsubstituted C6-C30 aryl groups; R1 and R2 are the same or different; p is an integer in a range of 0 to 6; q is an integer in a range of 0 to 5; and n is an integer in arange of 0 to 4. A stable and efficient electron transport material prepared by the invention reduces the lighting and working voltage of the device, improves the efficiency of the device, prolongs the service life of the device, and has very important practical application value.

Description

technical field [0001] The invention relates to a novel organic compound and its application in the technical field of organic electroluminescence display. Background technique [0002] At present, with the increasing maturity of OLED technology and the continuous advancement in the display field, in order to further enhance the competitiveness of OLED technology, the development of OLED materials and novel device structures that can effectively improve OLED device efficiency, life, and reduce driving voltage are even more important. is of great significance. [0003] Excellent new materials can significantly reduce the cost of the screen body and improve the efficiency and lifespan, thus attracting more attention to the research on its core materials. Chemists have made outstanding contributions in this regard, designing and developing various Structural functionalized materials. In general, electron transport materials are compounds with electron-deficient nitrogen-conta...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C07D487/06C07D519/00C09K11/06H01L51/50H01L51/54
CPCC07D487/06C07D519/00C09K11/06C09K2211/1029C09K2211/1007C09K2211/1011C09K2211/1044C09K2211/1059H10K85/615H10K85/622H10K85/626H10K85/654H10K85/6572H10K50/16
Inventor 黄雨鹏
Owner 欧洛德(武汉)光电科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com